Ice age climate analysis reduces worst-case warming expected from rising CO2

wolly mammoth animals walk along the earth.

As carbon dioxide accumulates in the atmosphere, the Earth will get hotter. But exactly how much warming will result from a certain increase in CO2 is under study. The relationship between CO2 and warming, known as climate sensitivity, determines what future we should expect as CO2 levels continue to climb. New research led by the University of Washington analyzes the most recent ice age, when a large swath of North America was covered in ice, to better understand the relationship between CO2 and global temperature. 

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UW Environment disciplines among top in nation, world in recent rankings

An aerial view of the UW campus.

Several UW College of the Environment disciplines placed highly in two recent rankings: QS World University Rankings by Subject and U.S. News & World Report’s 2025 Best Graduate Schools. QS World University Rankings by Subject tracks an analysis, conducted by QS Quacquarelli Symonds, of 16,400 university programs at 1,500 institutions in 96 locations around the world. The University of Washington has five subjects in the top 10 in 2024, including Geology (No. 

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